JP2596216Y2 - Tamper proof container - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for preventing unauthorized opening.

[0002]

2. Description of the Related Art Conventionally, as containers for preventing unauthorized opening, Japanese Patent Application Laid-Open No. 52-110175, Japanese Utility Model Publication No. Sho 5
There is one described in JP-A-6-13242. In the apparatus described in JP-A-52-110175, as shown in FIGS. 8 and 9, an upper step 19 is provided above the mouth 14 of the container 13, and a lower flange 15 is provided below the mouth 14. Provided to form a container. The lid 20 fitted to the mouth 14 is provided with a lid step 17 that engages with the upper step 19 on the upper part of the outer cylinder 18, and the lower end of the outer cylinder 18 is
5 is provided so as not to project outside from the outer peripheral edge. A cutting line 16 extending in the horizontal direction is provided on the entire periphery of the outer cylinder 18 on the lower side of the lid step 17 of the outer cylinder 18, and a vertical separating line 21 reaching the cutting line 16 from the lower end of the outer cylinder 18.
And a container and a closing body provided with a knob 22 adjacent to the separation line 21 at the lower part of the outer cylinder 18. or,
Japanese Unexamined Utility Model Publication No. 56-13242 discloses a container 34 in which an upper step 31 is provided above a mouth 32 of a container 34 and a lower step 33 is provided below the mouth 32 as shown in FIGS.
Are provided to form a container. The lid 26 fitted to the mouth 32 has a lid step 30 that engages with the upper step 31 on the upper part of the outer cylinder 25, and the lower end locking part 29 at the lower end of the outer cylinder 25 has a lower step 33. It is formed so as to be closely locked with the. A cut line 24 extending in the horizontal direction is provided below the lid step portion 30 of the outer cylinder 25, and a pair of separation lines 2 reaching the lower end of the outer cylinder 25 from both ends of the cut line 24.
7, and a knob 28 is provided between the pair of separation lines 27.
It is a bottle stopper.

[0003]

The container and the closing body shown in FIGS. 8 and 9 have a cutting line 21 of the outer cylinder 18 and a cutting line 16 having a lower end of the outer cylinder 18 at the lower flange of the mouth 14. 15 does not protrude outward from the outer peripheral edge of the outer cylinder 1.
The lid 20 cannot be pry off without breaking the perforated line 16 of FIG. When the lid is opened, the separation line 21 and the perforated line 16 are broken by pulling the knob 22 so that the lid can be easily opened. However, since the knob 22 protrudes outside the outer cylinder 18 in the closing body, the knob 22 collides with another object at the time of covering, before or after covering, and the cutting line 21 and the cut-off. The line 16 may be broken. The bottle stopper shown in FIGS. 10 and 11 is different from the bottle stopper shown in FIGS.
, The lid 26 cannot be broken open without breaking the separation line 27 or the cutout line 24. By pulling the knob 28, the separating line 27 and the cutting line 24 can be broken and the lid can be opened. However, there is a problem that the bottle stopper is difficult to be picked by the picking portion 28 and the breaking line 27 is hardly broken. The present invention has been made in view of the above-mentioned matter, and the lid cannot be opened without breaking the thin-walled portion. The purpose is to enable the lid to be opened.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides the following container. That is, an inner step 2 is provided on the upper edge of the synthetic resin container body 1 and an edge side wall 3 is erected on the inner step 2. Further, an outer peripheral wall of a synthetic resin lid 4 is provided outside the inner step 2. 6, a flange 7 reaching the lower end is protruded from the outer periphery of the container body, a part of which is cut out to form a bridge-shaped overhang portion 8, and a locking claw 10a which engages with the locking piece 9 of the lid 4 Upright locking body 10 with
A thin portion 8a is provided on the leg of the overhang portion 8, and the overhang portion 8 and the locking body 1 are provided.
0 is an tamper-evident container configured such that its outer peripheral surface is at least in the same plane as the outer peripheral surface of the flange 7.

[0005]

According to the present invention, when the lid 4 is put on the container main body 1 and pressed down, the outer peripheral step provided on the outer peripheral wall 6 of the lid 4 is formed on the side wall step 3a provided on the side wall 3 of the rim of the container main body 1. The portion 6a is fitted, the lower end of the outer peripheral wall 6 of the lid 4 reaches the flange 7 provided on the outer periphery of the container body 1, and is fitted. To the outside and the locking claw 10a
, The engaging piece 9 and the engaging claw 10a are engaged. Then, since the flange 7 of the container body 1 is provided at the lower end of the outer peripheral wall 6 of the lid 4, the outer peripheral wall 6 cannot be pry off. When the tab 10b is pinched and pryed at the position of the notch portion 7a without the flange 7, the thin portion 8
Since a is torn, the lid 4 cannot be pryed without leaving a scar. To open the lid, the locking body 10 is easily separated from the thin portion 8a when the fingertip is hooked on the tab 10b and pulled. Then, the engagement between the locking claw 10a of the container body 1 and the locking piece 9 of the lid 4 is released and the container is opened. After the opening, the side wall step 3a and the outer peripheral wall step 6a remain.
a is disengaged and the lid 4 is opened and closed. At this time, the locking piece 9 may be grasped and opened and closed. Since the outer peripheral surface of the locking body 10 does not protrude from the outer peripheral surface of the flange 7, the thin portion 8a does not strike against other objects during transportation or at the time of covering.
The engagement between the side wall step portion 3a and the outer peripheral wall step portion 6a after the locking body 10 has been removed in this manner is a protrusion (not shown) provided on a part of the outer peripheral wall 6 hanging down from the lid flange portion 5 of the lid member 4. Open and close by holding the shape.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
In the case of the present invention, since the lower end of the outer peripheral wall 6 of the lid 4 reaches the flange 7 of the container body 1, the lid 4 cannot be broken off when the lid is closed. Since the locking body 10 having the locking claw 10a of the overhang portion 8 of the container body 1 engaging with the projection 9 does not protrude from the flange 7, the thin portion 8a of the leg portion of the bridge-like overhang portion 8 can be moved or transferred. It has the feature that it does not hit and break other objects when it is closed. The container body 1 of this embodiment is formed of a synthetic resin of a thermoplastic resin such as polypropylene, polyethylene, polystyrene, polyethylene terephthalate, polyvinyl chloride, polyacryl / nitrile / butadiene / styrene, polyacryl / nitrile / styrene, and has a rectangular shape. In this example, the corner portion is formed in an arc shape, and is formed for a food container. Inside the mouth of the container body 1,
An inner step 2 is provided, and after the contents are accommodated in the container main body 1, an aluminum foil sheet or the like can be adhered to the upper surface of the inner step 2. On the upper surface near the inner side of the inner step portion 2 of the mouth, a rectangular edge side wall 3 having a corner formed in an arc shape so as to surround the upper portion of the mouth is erected, and the arc-shaped corner of the edge side wall 3 is formed. As shown in FIG. 1, a side wall stepped portion 3a having a circular arc-shaped convex portion is provided on the outer upper edge of the portion. The upper edge of the short side of the edge side wall 3 is provided with a recess 12 for placing a handle such as a butter knife. A flange 7 protruding from the outer periphery of the container body 1 is provided on the outer side of the inner step portion 2. A part of the flange 7 is cut out to form a notch portion 7a, where a bridge-like overhang portion 8 is formed. It is provided. A locking body 10 having a locking claw 10a and a tab 10b is erected from the overhang portion 8, and the leg portion of the overhang portion 8 is a thin portion 8a. Further, reinforcing ribs 11 are provided on the inner step portion 2 of the container body 1 and the back surface of the flange 7 as shown in FIG.

The lid 4 fitted on the container body 1 is made of polypropylene, polyethylene, polyvinyl chloride, ethylene.
It is made of a thermoplastic resin such as vinyl acetate or the like, which is relatively flexible, and has a rectangular shape that matches the container body 1 and has arc-shaped corners. An outer peripheral wall step 6a having a cross section formed in an arc-shaped recess as shown in FIG. 5 is provided inside the lower part of the lid 4 inside the arc-shaped rectangular corner. 6a is formed to engage with the side wall step 3a of the container body 1. On the outer periphery of the lid flange portion 5 of the lid 4, an outer peripheral wall 6 that reaches almost the upper surface of the flange 7 of the container body 1 is provided so as to hang down. At the lower end of the outer peripheral wall 6, there is a flange piece 6b. This flange piece 6
The width b does not protrude beyond the width of the flange 7 of the container body 1. The outer peripheral wall 6 has a locking claw 1 of the container body 1.
There is a locking piece 9 that engages with Oa. The locking body 1 described above
The outer peripheral surface of 0 does not project at least from the outer peripheral surface of the flange 7.

The contents are accommodated in the container body 1 as described above, and an aluminum foil sheet or the like is adhered to the upper surface of the inner step portion 2 to seal the container. When the lid 4 is put on the container body 1 and the lid flange 5 is pushed down, the outer peripheral wall 6 of the lid 4 is pressed.
Then, the sliding piece 9 of the lid 4 engages with the locking claw 10 a of the container body 1, and the lid 4 is fitted to the container body 1. When the lid 4 is fitted to the container body 1, the outer peripheral wall 6 of the lid 4 is attached to the flange 7 of the container body 1.
, And the width of the flange 7 is substantially the same as or protrudes from the lower end of the outer peripheral wall 6.
You can't pry inside by inserting things inside. On the other hand, if the outer peripheral wall 6 is to be pryed, the thin portion 8a of the overhang 8 is torn, so that the lid 4 cannot be pryed without leaving any scar. The lid 4 can be opened by pulling the tab 10b in the direction of the arrow in FIG. 3 to break the thin portion 8a and remove the overhang 8, so that the locking piece 9 of the lid 4 is opened, and the lid 4 is opened. The body 4 can be opened from the container body 1. After opening, the side wall step 3a of the container body 1 and the lid 4
, The lid 4 is opened and closed. Further, after the locking body 10 is removed, the side wall step 3a and the outer wall step 6a are disengaged from each other by a locking piece 9 provided on a part of the outer wall 6 hanging down from the lid flange 5 of the lid 4. To open and close. Since the outer peripheral surface of the locking body 10 of the overhanging portion 8 is at least in the same plane as the outer peripheral surface of the flange 7 of the container body 1, the thin portion 8a may strike against other objects during transportation or at the time of covering, and the thin portion 8a may be broken. There is no. The tab 10b shown in FIGS. 3 and 4 is provided upward above the locking body 10, but may be provided downward. Further, the container bodies 1 can be stacked by using the rim side wall 3 and the reinforcing rib 11, and the lids 4 can be stacked by using the lid flange-shaped portion 5 and the outer peripheral wall 6 of the lid 4. Can be stacked. In addition, the container of the present invention can be formed based on a round shape, a square shape, or an elliptical shape, or formed by deforming them.

[0009]

According to the present invention, when the container body 1 is closed by the cover 4, the outer peripheral wall 6 of the cover 4 is
Cannot be inserted into the outer peripheral wall 6 to break it. When the outer peripheral wall 6 is to be pryed, the thin portion 8a of the overhang 8 is torn, so that the lid 4 cannot be pryed without leaving a scar. When the lid 4 is opened, the tab 10b of the locking body 10 can be picked up and the locking body 10 can be easily removed and opened. Then
Since the locking body 10 of the container main body 1 does not protrude from the outer periphery of the flange 7 of the container main body 1, the locking body 10 does not strike against other objects during transportation or cover, and is not broken.

[Brief description of the drawings]

FIG. 1 is a perspective view of the container body of the present invention.

FIG. 2 is a perspective view of the lid of the present invention.

FIG. 3 is a sectional view of the overhang portion of the present invention.

FIG. 4 is a cross-sectional view of an engagement portion between a locking piece of a lid and a locking claw of a container body in the container of the present invention.

FIG. 5 is a cross-sectional view of an engagement portion between the side wall step of the container body and the outer peripheral wall step of the lid in the container according to the present invention.

FIG. 6 is a partial cross-sectional view of the container body of the present invention in which the container main bodies are stacked;

FIG. 7 is a partial cross-sectional view of the lid of the present invention with the lid overlapped.

FIG. 8 is a longitudinal sectional view of a main part of a conventional example.

FIG. 9 is a cross-sectional view of a main part of a conventional example.

FIG. 10 is a front view of another conventional example.

FIG. 11 is a longitudinal sectional view of a main part of another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 2 Inner step part 3 Edge side wall 4 Lid body 5 Lid flange-shaped part 6 Outer peripheral wall 7 Flange 8 Overhang part 8a Thin part 9 Locking piece 10 Locking body 10a Locking claw 10b Tab 3a Side wall step 6a Outer wall step 6b Flange piece

Continuation of the front page (72) Inventor Ken Aoki 3-5-1 Tanihara, Kasukabe-shi, Saitama (56) References JP-A-58-52052 (JP, A) Full-scale operation Sho-63-107948 (JP, U) Full-time operation Hei 2-99750 (JP, U) Actually open Hei 4-35553 (JP, U) (58) Fields surveyed (Int. Cl. ⁶ , DB name) B65D 35/44-35/54 B65D 39/00-55 / 16

Claims (2)

(57) [Scope of request for utility model registration] An inner step portion is provided on an upper edge of a synthetic resin container body, an edge side wall is erected on the inner step portion, and a synthetic resin lid is provided outside the inner step portion. A flange 7 reaching the lower end of the outer peripheral wall 6 is protruded from the outer periphery of the container body 1, and a part thereof is cut out to form a bridge-like projection 8, which is engaged with the locking piece 9 of the lid 4. Body 1 with locking claw 10a
0 is erected, the thin portion 8a is provided on the leg of the overhang portion 8, and the outer peripheral surfaces of the overhang portion 8 and the locking body 10 are at least in the same plane as the outer peripheral surface of the flange 7. Prevention container. 2. A side wall step 3a is formed on an edge side wall 3 of a container body 1.
2. The tamper-evident container according to claim 1, wherein an outer peripheral wall stepped portion 6a engaging with the outer peripheral wall is provided on the outer peripheral wall 6 of the lid 4.